finally this weekend got a day to mess with starting battery and relay install while waiting on supplies. I will be running two separate 200A relays - one solely to drive the starter, the other as a "main" relay to power everything else. I am waiting on connectors and 6ga wire to show up at the gate.
I will be running 1/0 cable from the battery to the relays. Then the starter relay will run 1/0 to the starter. This long run will only be hot when the key is switched to start. otherwise, it will be dead which is the safest way to do this. Makes overall wiring a bit tougher, but mo' betta.
From the main relay I will run 6ga wire to a 175A mega fuse right by the battery, then another 6ga run up to the dash area where I will power the fuse box and a 6 relay panel (that I need to get in gear and get on order).
The alternator will run a completely separate 6ga wire back to the battery and go thru its own 175A mega fuse.
Kill switch will activate the low side of the main relay and will in no way be wired with the alternator. Even I have made the mistake in my younger days of wiring the alternator in with the main feed, which means if the car is running and you hit the kill switch, the alternator can keep the car running since it is wired in with the fuse panel and you don't actually need a battery to keep it running once it's running.
So here is a pretty rudimentary start to the battery tray that will hold the battery, relays, and mega fuses. That's it for now but I intend to keep plugging away over the next few months of weekends getting this thing going.
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